robin roberts was diagnosed with a rare blood disorder she completed eight days of chemotherapy prior to yesterday's transplant. >> nobody can believe it, people have in their mind all kinds of images but it is an incredibly powerful moment, inside of that syringe are millions and millions of stem cells that are circulating around and trying to find their home in robin and start growing which is what we are going to be looking for over the next couple of weeks. >> robin e-mailed her doctor this morning saying she wants to go home. "good morning america" will have more at 7:00. >>> san francisco has earned a dubious new distinction that could tarnish our reputation. travel leisure magazine rates the city as the 11th dirtiest travel destination in the country out of 35. results are from a poll of 50,000 readers, new york ranks one, followed by new orleans and baltimore. >>> i grew up in new york, my kind of threshold for dirt is way up here. so i think san francisco and i'm like i could eat off of this sidewalk compared to new york. >> has been a little grimey and dirty. my son got spat